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Application of Lexan 503R on bottom shell /Cover of LED outdoor display

December 23, 2022

Latest company case about Application of Lexan 503R on bottom shell /Cover of LED outdoor display

Grade:Lexan 503R

Date sheet:10% GR PC. Optimum combination of high modulus plus excellent impact strength and flame retardance. UV-stabilized. Internal mold release

 

TYPICAL PROPERTIES (1)      
MECHANICAL Value Unit Standard
Tensile Stress, yld, Type I, 5 mm/min 66 MPa ASTM D 638
Tensile Stress, brk, Type I, 5 mm/min 55 MPa ASTM D 638
Tensile Strain, yld, Type I, 5 mm/min 8 % ASTM D 638
Tensile Strain, brk, Type I, 5 mm/min 15 % ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span 103 MPa ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span 3440 MPa ASTM D 790
Hardness, Rockwell M 85 - ASTM D 785
Hardness, Rockwell R 124 - ASTM D 785
Taber Abrasion, CS-17, 1 kg 11 mg/1000cy ASTM D 1044
IMPACT Value Unit Standard
Izod Impact, unnotched, 23°C 2136 J/m ASTM D 4812
Izod Impact, notched, 23°C 106 J/m ASTM D 256
Tensile Impact, Type "S" 157 kJ/m² ASTM D 1822
Falling Dart Impact (D 3029), 23°C 101 J ASTM D 3029
THERMAL Value Unit Standard
Vicat Softening Temp, Rate B/50 154 °C ASTM D 1525
HDT, 0.45 MPa, 6.4 mm, unannealed 146 °C ASTM D 648
HDT, 1.82 MPa, 6.4 mm, unannealed 142 °C ASTM D 648
CTE, -40°C to 95°C, flow 3.24E-05 1/°C ASTM E 831
Specific Heat 1.21 J/g-°C ASTM C 351
Thermal Conductivity 0.2 W/m-°C ASTM C 177
Relative Temp Index, Elec 120 °C UL 746B
Relative Temp Index, Mech w/impact 110 °C UL 746B
Relative Temp Index, Mech w/o impact 125 °C UL 746B
PHYSICAL Value Unit Standard
Specific Gravity 1.25 - ASTM D 792
Specific Volume 0.8 cm³/g ASTM D 792
Density 1.245 g/cm³ ASTM D 792
Water Absorption, 24 hours 0.12 % ASTM D 570
Water Absorption, equilibrium, 23C 0.31 % ASTM D 570
Mold Shrinkage, flow, 3.2 mm 0.2 - 0.4 % SABIC Method
ELECTRICAL Value Unit Standard
Volume Resistivity >1.E+17 Ohm-cm ASTM D 257
Dielectric Strength, in air, 3.2 mm 17.7 kV/mm ASTM D 149
Relative Permittivity, 50/60 Hz 3.1 - ASTM D 150
Relative Permittivity, 1 MHz 3.05 - ASTM D 150
Dissipation Factor, 50/60 Hz 0.0008 - ASTM D 150
Dissipation Factor, 1 MHz 0.0075 - ASTM D 150
Arc Resistance, Tungsten {PLC} 7 PLC Code ASTM D 495
Hot Wire Ignition {PLC) 1 PLC Code UL 746A
High Voltage Arc Track Rate {PLC} 3 PLC Code UL 746A
High Ampere Arc Ign, surface {PLC} 1 PLC Code UL 746A
Comparative Tracking Index (UL) {PLC} 4 PLC Code UL 746A
FLAME CHARACTERISTICS Value Unit Standard
UL Recognized, 94V-0 Flame Class Rating (3) 1.52 mm UL 94
UL Recognized, 94-5VA Rating (3) 2.99 mm UL 94
Oxygen Index (LOI) 36 % ASTM D 2863
UV-light, water exposure/immersion F1 - UL 746C

 

 

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